| 地面灌溉土壤入渗参数及糙率系数确定方法研究综述 |
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| 引用本文： | 董孟军,白美健,李益农,许迪.地面灌溉土壤入渗参数及糙率系数确定方法研究综述[J].灌溉排水学报,2010,29(1). |
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| 作者姓名： | 董孟军 白美健 李益农 许迪 |
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| 作者单位： | 国家节水灌溉工程技术研究中心(北京)中国水利水电科学研究院水利所,北京,100044 |
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| 基金项目： | 国家863计划重点项目(2006AA100210;2006AA100221) |
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| 摘 要： | 土壤入渗参数的确定包括由田间试验测定、基于水量平衡原理根据灌水资料直接估算和借助灌溉模拟模型优化反求3种方式;田面糙率系数的确定包括由灌溉经验确定、根据灌水资料采用曼宁公式直接估算和借助灌溉模拟模型优化反求3种方式。对地面灌溉土壤入渗参数和田面糙率系数的各种确定方法进行总结,分析了各种方法的特点。结果表明,根据灌水资料推求平均入渗参数和糙率系数已成为主要趋势,各种确定方法之间的差异有待通过田间试验资料进一步分析,与参数值密切相关的水力要素的分析研究需加强。
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| 关 键 词： | 入渗参数 糙率系数 确定方法 地面灌溉 |
A Review on the Methods of Determining Infiltration Parameters and Roughness Coefficient for Surface Irrigation |
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| DONG Meng-jun,BAI Mei-jian,LI Yi-nong,XU Di.A Review on the Methods of Determining Infiltration Parameters and Roughness Coefficient for Surface Irrigation[J].Journal of Irrigation and Drainage,2010,29(1). |
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| Authors: | DONG Meng-jun BAI Mei-jian LI Yi-nong XU Di |
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| Institution: | National Center of Efficient Irrigation Engineering and Technology Research in Beijing;China Institute of Water Resources and Hydropower Research;Beijing 100044;China |
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| Abstract: | The determination of soil infiltration parameters includes three ways: field test,direct calculation method with irrigation information based on the water balance,and inverse method by irrigation simulation models.The determination of surface roughness coefficient includes three ways: determined by the irrigation experience,the direct method by Manning formula according to irrigation information and inverse method by irrigation simulation models.The methods of determining infiltration parameters and roughne... |
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| Keywords: | infiltration parameters roughness coefficient determining methods surface irrigation |
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